Power On Selftest (Post) Error Handling; Commands Executed After Post Error - Tandberg Data SLR7-140 PROGRAMMER Manual

No Tape Edge
Found
No Cartridge
Not Loaded
Sensor Error
Tape Runout
Tandberg Data
An error has been
System. Media Access commands will be terminated with
CHECK CONDITION status. The Error Code will be set to
C .
ARTRIDGE FAULT
No cartridge is inserted or the cartridge was removed
during command execution. Media Access commands will be
terminated with CHECK CONDITION status. The Error Code
will be set to M
EDIUM NOT PRESENT
DURING COMMAND EXECUTION
The cartridge has
command or by the AutoLoad function. The Error Code will
be set to L
OGICAL UNIT NOT READY
(LOAD/UNLOAD with the Load bit set to one) or L
IS IN THE PROCESS OF BECOMMING READY
AutoLoad is under execution).
An error has been detected in the Tape Hole Sensor
System. Media Access commands will be terminated with
CHECK CONDITION status. The Error Code will be set to
C .
ARTRIDGE FAULT
The tape has run out on one of the cartridge reels.
Media Access commands
CONDITION status. The Error Code will be set to C
.
FAULT
7.5.

Power On Selftest (POST) Error Handling

The Drive executes
Power On and
failures. How the Drive reacts after detection of a
Power On Selftest (POST) error depends on which command
the initiator wants to execute. Some commands will be
executed as normal, others will be terminated.
The first REQUEST SENSE command issued after Power On
will return sense data for UNIT ATTENTION since UNIT
ATTENTION has priority
REQUEST SENSE command issued after a command terminated
because of POST failure will return sense data for this
POST failure. All
return sense data for the command previously executed,
normally NO SENSE.
If the Power On
failure, the amber
sequence (i.e.
initiated and successfully executed. The Amber Led will
not be cleared by drive Reset. Successful execution of
the POST sequence
information and
again.
7.5.1.

Commands Executed After POST Error

The following commands will be executed as normal after
detection of a POST error.
•
REQUEST SENSE
•
INQUIRY
•
SEND DIAGNOSTICS
•
RECEIVE DIAGNOSTICS
7-8 Tandberg SLR Product Line SCSI Functional Specifications
detected in
or M
.
not been loaded
,
INITIALIZING COMMAND REQUIRED
(a LOAD/UNLOAD command or
will be
Power On Selftests
microcode download,
over all
other REQUEST
SelfTest (POST)
LED will flash
POST or SEND DIAGNOSTICS
will also clear
all commands will
General Exception Handling
the Tape Head
,
EDIUM NOT PRESENT
by a LOAD/UNLOAD
OGICAL UNIT
terminated with
ARTRIDGE
(POST)
and may
other errors.
SENSE commands
sequence reports
until a Selftest
command)
the POST failure
execute as
Serve
REMOVED
CHECK
during
detect
The
will
a
is
normal